Sole



FIG. 1 is a left side view of a sole showing the claimed design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom rear perspective view thereof.

The broken lines in the figures and the area(s) within the broken lines show portions of the sole that form no part of the claimed design. 

CLAIM The ornamental design for sole, as shown and described. 